Dr. Constantina Katsari is a comparative historian that specialises on ancient and modern history. She looks at current events with a critical eye and brings forward direct comparisons with similar historical events.
To be honest, I had Arsinoe II in mind. And it’s not cheating! The question didn’t specify what kind of brother she married! I just thought that Cleopatra would be too obvious. (As far as I know there is no movie about Arsinoe!)
Cleopatra VII married her brothers Ptolemy XIII and XIV
And don’t forget Arsinoe II who married a half-brother and then a full-brother (OK, that’s cheating).
To be honest, I had Arsinoe II in mind. And it’s not cheating! The question didn’t specify what kind of brother she married! I just thought that Cleopatra would be too obvious. (As far as I know there is no movie about Arsinoe!)
Maybe not cheating
but I was prepared: I recently wrote a two-part post about Arsinoe II on my blog: http://judithweingarten.blogspot.com/2010/08/uppity-queen-arsinoe-ii.html
and http://judithweingarten.blogspot.com/2010/08/uppity-queen-arsinoe-ii-part-ii.html